Design detail: Linkedin network (circles)

Just noticed this new detail on a Linkedin profile I was checking out – it’s part of Linkedin’s new style layouts. I really like the way it visualises how you are connected to others: as you roll over the little circles (g+ inspired?) you can see all of the companies associated with a person, and those you share in common.

You can also select network types from the drop-down menu: industry, school and location, e.g.: